The center snaps the ball to the quarterback!""No he doesn't!""He doesn't?""NO!...

The center snaps the ball to the quarterback!"
"No he doesn't!"
"He doesn't?"
"NO! Secretly, he's the quarterback for the other team! He keeps the ball!"
"A traitor!"
"Calvin breaks for the goal."
"Wheeee! He's at the 30... the 20... the 10! Nobody can catch him!"
"Nobody wants to! Your running toward your own goal!"
"Huh?!"
"When I learned that you were a spy, I switched goals. This is your goal and mine's hidden!"
"Hidden?!"
"You'll never find it in a million years!"
"I don't need to find it as a traitor to your team, crossing my goal counts as crossing your goal!"
"Ah, so you might think so..."
"In fact, I know so!"
"But the place I hid my goal is right on top of your goal, so the points will go to me!"
"But the fact is, I'm really a double agent! I'm on your team after all, which means you'll lose points if I cross your goal! Ha ha!"
"But I'm a traitor too, so I'm really on your team! I want you to cross my goal! The points will go to your team, which is really my team!"
"That would be true... if I were a football player!"
"You mean...?"
"I'm actually a badminton player disguised as a double-agent football player!!"
"And I'm actually a volleyball-croquet-polo player!